Further studies on the Cladonia verticillata group (Lecanorales) in East Asia and western North America,
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Bibliotheca Lichenologica 96: 5–19.

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The Bryologist 110: 788–797.

ESSLINGER, T. L. 2011.

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North Dakota State University, http://www.ndsu.nodak.edu/instruct/esslinge/chcklst/chcklst7.htm
(first posted 1 December 1997, most recent version #17, May 16, 2011), Fargo.

ESSLINGER, T. L., & C. C. BRATT. 1998.

The Heterodermia erinacea group in North America, and a remarkable new disjunct distribution, pp. 25–36,
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ESSLINGER, T. L., & R. S. EGAN. 1995.

A sixth checklist of the lichen-forming, lichenicolous, and allied fungi of the continental United States and Canada.
The Bryologist 98: 467–549.

ESSLINGER, T. L., C. A. MORSE, & S. D. LEAVITT. 2012.

A new North American species of Hyperphyscia (Physciaceae).
The Bryologist 115: 31–41.

ESSLINGER, T. L., & S. C. TUCKER. 2009.

Names appearing in Fink's “Lichen Flora of the United States” which remain unresolved in the current United States/Canada checklist.
Evansia 26: 177–192.

The corticolous and lignicolous sorediate, blastidiate and isidiate species of the genus Rinodina in southern Europe.
Lichenologist 27: 3–24.

GIRALT, M., & A. NORDIN. 2002.

Buellia triseptata in the Iberian Peninsula.
Lichenologist 34: 89–94.

GLACY, L. A., S. D. LEAVITT, & L. L. ST. CLAIR. 2011.

A checklist of the lichens collected during the 2008 Sixth International Association of Lichenology field trip at Point Reyes National Seashore and selected locations in Marin and Sonoma Counties, California, USA.
Evansia 28: 18–26.

Calicium corynellum (Ach.) Ach. in the United States, and Calicium montanum Tibell new for North America.
Evansia 18: 90–92.

KONDRATYUK, S. Y., & I. KÄRNEFELT. 1997.

Josefpoeltia and Xanthomendoza, two new genera in the Teloschistaceae (lichenized Ascomycotina).
in R. Türk & R. Zorer (eds.), Progress and Problems in Lichenology in the Nineties.
Bibliotheca Lichenologica 68: 19–44.

A new perspective on Punctelia subrudecta (Parmeliaceae) in North America: previously-rejected morphological characters corroborate molecular phylogenetic evidence and provide insight into an old problem.
Lichenologist 42: 405–423.

LENDEMER, J. C., & B. P. HODKINSON. 2013.

A radical shift in the taxonomy of Lepraria s.l.: molecular and morphological studies shed new light on the evolution of asexuality and lichen growth form diversification.
Mycologia 105: 994–1019.

LENDEMER, J. C., & K. KNUDSEN. 2007 (June).

Changes and additions to the North American lichen mycota. VI.
Proceedings of the Academy of Natural Sciences of Philadelphia 156: 55–57.

LENDEMER, J. C., & K. KNUDSEN. 2008a.

Studies in lichens and lichenicolous fungi: further notes on north American taxa.
Mycotaxon 103: 75–86.

LENDEMER, J. C., & K. KNUDSEN. 2008b.

Ramonia vermispora, a new species from the Sonoran Desert region of southwestern North America.
Opuscula Philolichenum 5: 83–88.

LENDEMER, J. C., & K. KNUDSEN. 2009.

Two new Usnic acid containing species of Lecanora from western North America.
Opuscula Philolichenum 6: 73–80.

LENDEMER, J. C., & K. KNUDSEN. 2010.

Lecanographa insolita, an unusual new species of Roccellaceae from western North America.
The Bryologist 113: 350–355.

LENDEMER, J. C., & K. KNUDSEN. 2011.

Studies in lichens and lichenicolous fungi: 7. More notes on taxa from North America.
Mycotaxon 115: 45–52.

LENDEMER, J. C., K. KNUDSEN, & B. J. COPPINS. 2009.

Further notes on the genus Ramonia in California: the first modern record of R. ablephora and the description of R. extensa sp. nov.
Opuscula Philolichenum 7: 191–194.

Studies in lichens and lichenicolous fungi: notes on some taxa from North America.
Mycotaxon 105: 379–386.

LENDEMER, J. C., J. KOCOURKOVÁ, & K. KNUDSEN. 2009a.

Studies in lichen and lichenicolous fungi: more notes on taxa from North America.
Mycotaxon 108: 491–497.

LENDEMER, J. C., J. KOCOURKOVÁ, & K. KNUDSEN. 2009b.

Studies in lichen and lichenicolous fungi: more notes on taxa from North America.
Mycotaxon 110: 373–378.

LENDEMER, J. C., & H. O'BRIEN. 2011.

How do you reconcile molecular and non-molecular datasets? A case study where new molecular data prompts a revision of Peltigera hydrothyria s.l. in North America and the recognition of two species.
Opuscula Philolichenum 9: 99–110.

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Nomenclature and typification in the genus Usnea (lichenized Ascomycetes). I. Usnea rigida.
Proceedings of the Academy of Natural Sciences of Philadelphia 153: 177–180.

A first assessment of the Ticolichen biodiversity inventory in Costa Rica: the genus Gyalideopsis and its segregates (Ostropales: Gomphillaceae), with a world-wide key and name status checklist.
Lichenologist 38: 131–160.

Lichens of the Klamath region: what do we know and why haven't we found endemics?
in J. K. Beigel, E. S. Jules, & B. Snitkin (eds.),
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PETERSON, E. B. 2003.

Clarification of three Umbilicaria species new to California.
Bulletin of the California Lichen Society 10(1): 10.

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SMITH, D. W. 1980.

A taxonomic survey of the macrolichens of Sequoia and Kings Canyon National Parks.
M. A. thesis, San Francisco State University, San Francisco. (Not seen; information based on summary by Wetmore, 1983.)

A list of lichens collected by Mr. Robert Reuleaux in the western parts of North America.
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Collema quadrifidum, a new epiphytic lichen species from the Pacific Northwest of the United States.
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New species of Opegrapha from south-western Europe and northern Africa.
Mycotaxon 45: 83–92.

TORREY, J. 1856.

Botanical report,
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Report on von Reis lichens from the herbarium of California Polytechnic University, San Luis Obispo.
Bulletin of the California Lichen Society 6(1): 3–7.

TUCKER, S. C. 2002 (2001).

New reports or divergences in range for lichens of California, based on Lichens of North America by I. Brodo,
S. D. Sharnoff, and S. Sharnoff, 2001.
Bulletin of the California Lichen Society 8(2): 59–71.

What happened to Dendrographa minor?
Bulletin of the California Lichen Society 3(2): 11–13.

WRIGHT, D. 1997.

Field trip to the Lake Pillsbury area, Lake County, California, April 19–20, 1997.
Bulletin of the California Lichen Society 4(2): 28–32.

WRIGHT, D. 1998.

Lichens from the “Record of Decision for Amendments to Forest Service and Bureau of Land Management Planning Documents within the range of the Northern Spotted Owl” known from the Point Reyes National Seashore, the Golden Gate National Recreation Area, and Mt. Tamalpais State Park with notes on other lichens from the Record of Decision.
Bulletin of the California Lichen Society 5(1): 12–15.

WRIGHT, D. 2000.

Guide to the macrolichens of California.
Part 1. The orange pigmented species.
Bulletin of the California Lichen Society 7(1): 7–19.

WRIGHT, D. 2001a (2000).

Guide to the macrolichens of California. Part 2. The gray foliose species.
Bulletin of the California Lichen Society 7(2): 44–63.

WRIGHT, D. 2001b.

Some species of the genus Usnea (lichenized Ascomycetes) in California.
Bulletin of the California Lichen Society 8(1): 1–21.

YOSHIMURA, I. 1968a.

Lichenological notes. 1. Some species of Cladonia with taxonomic problems.
Journal of the Hattori Botanical Laboratory 31: 198–204.

YOSHIMURA, I. 1968b.

The phytogeographical relationships between the Japanese and North American species of Cladonia.
Journal of the Hattori Botanical Laboratory 31: 227–246.